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From: "TJ Luoma" <luomat@gmail.com>
To: "Zsh-Users List" <zsh-users@zsh.org>
Subject: How should I construct this?
Date: Wed, 24 Apr 2013 14:16:26 -0400
Message-ID: <E8BAA866-89AF-40DE-AB25-E17AD3042DDA@gmail.com>
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I am trying to write a shell script which will help my computer 
automatically join Wi-Fi networks.

Each network needs to have an SSID (which may have spaces in it) and a 
password (which may have spaces, punctuation, etc in it).

I'm trying to figure out the best way to create this.

I thought about trying to make an array or something like this where the 
first 'column' would be the SSID and the 2nd column would be the 
passwords

ALL_WIFI_NETWORKS=(
				Home					89382ashfa
				Work					0823u2j98dyumn
				"Coffee House"		""
				"Jenny's Wifi"		8675309
)


but then I need to be able to loop through $ALL_WIFI_NETWORKS using only 
first column… something like this

for SSID in {{{The First Arg in Each Line of $ALL_WIFI_NETWORKS}}}
do
		echo "foo"

done


where the part in {{{ and }}} indicates the part where I really don't 
know how to do what I want to do.

It seems like there's got to be an easier / better way of doing this, 
but I can't figure out what it is, other than keeping two lists/arrays, 
one of the SSIDs, and one with the passwords, but that seems kludgey 
because I have to ask the user (whoever uses this script besides me) to 
put the SSIDs in twice.

TjL